Light Test - 5...

You are standing in front of a mirror with a red ball in your left hand and a lemon in your right hand. Then, your image will be having

Which of the following aids used by the visually handicapped employ the sense of hearing?

Which of the following is an illuminated object?

If the incident ray is parallel to the normal, then the angle of reflection is

A torch welder is working without his safety glasses. Which of the following parts of his eyes is most likely to get affected?

The natural phenomenon showing dispersion is

Reflection from a smooth surface, like that of a mirror, is called

The visual impairment of the human eye due to old age resulting in foggy eyesight is known as

The diameter of the pupil of an eye of a person in dim light was measured to be 7 mm. Which of the following cannot be the measurement of the diameter of his pupil in bright light?

Which of the following birds has a large number of rods and only a few cones on its retina?

Which of the following statements is true?

Which optical device is used by sailors in submarines, infantry men in tanks and soldiers in bunkers?

The transparent front part of the eye is called

The two types of sensory cells in the retina are

A kaleidoscope is made using three mirrors. The maximum number of patterns formed in it are